Finding the Third Proportional to 12,196 and 16,347

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196 : 16,347 = 16,347 : x
2. Step 2: Convert to fraction form
   12,196/16,347 = 16,347/x
3. Step 3: Cross multiply
   12,196x = 16,347 × 16,347
4. Step 4: Simplify right side
   12,196x = 267,224,409
5. Step 5: Solve for x
   x = 267,224,409/12,196
6. Step 6: Final answer
   x = 21,910.82